New Model Family: GPT-5.4 Nano and Mini

Introducing two new models from OpenAI: GPT-5.4 Nano and GPT-5.4 Mini.

GPT-5.4 Nano is the most lightweight and cost-effective version in the GPT-5.4 family. Optimized for high-speed tasks, classification, and data extraction. Ideal for background processes and real-time systems where minimal latency is critical.

GPT-5.4 Mini offers a balance between performance and cost. It retains the core capabilities of GPT-5.4, excels at coding, tool usage, and multi-step reasoning. Designed for large-scale projects and assistants.